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Process method for highly-wear-resistant silicone product

A process method and high wear-resistant technology, applied in the field of high wear-resistant silicone products, can solve the problems of high energy consumption, easy peeling off of the button coating, low efficiency, etc., and achieve the effect of improving the tensile strength

Inactive Publication Date: 2019-02-22
DONGGUAN XINDONG RUBBER PLASTIC HARDWARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Keys such as mobile phones and instruments are characterized by high frequency of use, easy wear, complex contact and use, and high decorative requirements. The technology puts forward more and more stringent requirements. Traditional silicone products suffer from great development resistance in the domestic market due to environmental pollution, high energy consumption, and low efficiency.

Method used

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  • Process method for highly-wear-resistant silicone product

Examples

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Embodiment 1

[0020] The embodiment provided by the present invention: a process method of high wear-resistant silica gel products, the polyorganosiloxane raw rubber with a degree of polymerization of 1000 or more is 120 parts, reinforcing white carbon black is 12-120 parts, and the specific surface area is 1 8-220 parts of inorganic filler of 50 m2 / g, 120 parts of chlorine resin powder with a particle size of 0.05-120 mm, and 0.1-12 parts by weight of organic peroxide, it is characterized in that: the preparation method comprises the following steps: step 1: Prepare the above-mentioned sufficient amount of raw materials and mix them to make silica gel raw materials; Step 2: In order to improve the tensile strength and tear strength of silica gel products, add polytetrachlorethylene rubber to the silica gel raw materials; Step 3: Add polytetrafluoroethylene to the silica gel raw materials Add silicone resin, silicone oil, and polytetrachloroethylene in turn to mix, and then add silicone rubb...

Embodiment 2

[0032]A process method for high wear-resistant silicone products. The effect of adding the amount of VMC on the wear resistance of the coating. By changing the amount of VMC, the silicone rubber raw rubber with different ethylene content in the molecular structure can be obtained through chemical reaction. During the reaction, adjust different doses of VMC and add excess hydrogen-containing silicone oil and PT catalyst to spray and fix the phone. After the reaction, the finished product will be tested for friction resistance on the test bench. Through many experiments, it is known that As the ethylene content in the molecular structure increases, the number of frictions that the silicone rubber coating can withstand will also increase, and the number of frictions it will withstand will decrease after reaching a certain level, making the cured coating less Brittle and easy to break.

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Abstract

The invention discloses a process method for a highly-wear-resistant silicone product. The process method comprises the following steps: 1, preparing raw materials of sufficient weight, and mixing toprepare silicone raw materials; 2, adding poly-tetrafluoroedthylene rubber into the silicone raw materials in order to improve the tensile strength and tearing strength of the silicone product; 3, sequentially adding a silicone resin, silicone oil and poly-tetrafluoroedthylene into the silicone raw materials, adding silicone rubber for melting, and forming a novel rubber material; 4, adding silicone rubber of poly-tetrafluoroedthylene into the low-hardness rubber; 5, adding white carbon black paste containing emulsion poly-tetrafluoroedthylene into the silicone raw materials; and 6, adding VMCinto the silicone raw materials for improving the wear resistance of the silicone rubber. The effect of an inorganic filling agent in the invention is to enable the silicone to have oil resistance and sealing property, and wear resistance of a certain degree can be provided during sliding surface contact.

Description

technical field [0001] The invention relates to the technical field of silica gel application, in particular to a process method of high wear-resistant silica gel products. Background technique [0002] Keys such as mobile phones and instruments are characterized by high frequency of use, easy wear, complex contact and use, and high decorative requirements. The technology puts forward more and more stringent requirements, and the traditional silicone products suffer great development resistance in the domestic market due to environmental pollution, high energy consumption, low efficiency and other issues. Contents of the invention [0003] The object of the present invention is to provide a process for high wear-resistant silica gel products to solve the problems raised in the above-mentioned background technology. [0004] In order to achieve the above object, the present invention provides the following technical proposal: a process method for high wear-resistant silica...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/04C08L27/18C08K13/02C08K5/5435C08K3/36
CPCC08L83/04C08L2201/08C08L2205/025C08L2205/035C08L27/18C08K13/02C08K5/5435C08K3/36
Inventor 陈佑平
Owner DONGGUAN XINDONG RUBBER PLASTIC HARDWARE
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